O’FALLON, Mo. (KMOV.com) -- Concern is growing as a 15-year-old who crashed his car in the middle of the night hasn't been seen for two-and-a-half days.

Sam Heisel took a car from the family's home in Brentwood a little after midnight Tuesday and crashed it 31-miles away in O'Fallon. The car was discovered crashed into a pole at Old Highway 79 and North Main Street around 7 a.m. at and Heisel was nowhere to be found.

Dozens of relatives and volunteers are searching for him, but worry is rising given the fact there were suicidal notes found in the car when it was recovered.

News 4 learned Heisel broke up with a girlfriend recently and Tuesday’s crash site was near the girl’s house.

Since the crash was discovered, searchers have combed through thick brush and open fields to find a missing teen.

"I've searched over in the soybean fields and then through the woods and behind some houses and some shed,” said volunteer Grace Green.

Besides the volunteers, police have searched the area using tracking dogs, helicopters and thermal imaging cameras. Investigators say his phone was in the car and that he hasn't contacted any friends or relatives.

"We're all hopeful that he's using his wits and skills to survive and who knows where he's at," said Ted Heisel, Sam’s father.

The O’Fallon and Brentwood police departments have ended their official search deployment, but volunteers continue to look for Heisel in the area of the crash.

The search party set up a command post at a nearby church at North Main and Old Highway 79 and are using grid maps to methodically scour the area.

“And we just want to help him know that we love him and want him to come back," said Heisel’s friend Noah Hall.

Anyone who has seen Heisel or has information about his whereabouts should contact the Brentwood Police Department at (314) 644-7100.

Copyright 2017 KMOV (Meredith Corporation). All rights reserved

News 4 Reporter

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